当您的设备无法成功拨打电话时，会出现 iPhone 通话失败错误。这可能由于多种原因而发生，如果您不确定是什么原因造成的，您需要遵循一些通用方法来查看它们是否有助于解决问题。
这是一个严重的问题，因为它会阻止您从 iPhone 拨打任何类型的电话。但是，一旦您应用了以下一些方法，该问题应该会从您的手机中消失。
确保您的帐户中有积分(Ensure You Have Credits In Your Account)
您的预付帐户中的信用不足可能导致 iPhone 通话失败错误。您希望确保您的帐户有足够的信用额度可用于您尝试拨打的电话。您可以使用各种面额为您的帐户充值以添加信用。
如果您的帐户是后付费帐户，您将需要与您的提供商联系(talk to your provider)以解决问题。
确保联系人未被阻止(Ensure The Contact Is Not Blocked)
您尝试呼叫(contact you’re trying to call is )的联系人可能在您的 iPhone 上被阻止。您要确保此人不在您的阻止列表中，您可以按如下方式进行验证。
- 在 iPhone 上启动设置(Settings)应用程序。
- 点击电话(Phone)。
- 选择呼叫阻止和识别(Call Blocking & Identification)。
切换飞行模式(Toggle The Airplane Mode)
有时打开和关闭飞行(Airplane)模式可以修复 iPhone 上的通话失败错误，这是值得的。即使它不起作用，您也不会丢失任何东西（一段时间内的网络连接除外）。
- 启动设置(Settings)应用程序。
- 将飞行模式(Airplane Mode)的切换开关转到ON位置(ON)。
- 等待大约一分钟。
- 将拨动开关转回关闭(OFF)位置。
启用来电显示选项(Enable The Caller ID Option)
某些国家/地区允许您隐藏来电显示，以免在收件人的手机上显示。并非每个国家/地区都支持该功能，您可以尝试禁用它，然后查看是否可以拨打电话。
- 打开设置(Settings)应用程序。
- 点击电话(Phone)。
- 选择显示我的来电显示(Show My Caller ID)选项。
- 启用Show My Caller ID(Show My Caller ID)旁边的切换。
禁用请勿打扰(Disable Do Not Disturb)
iPhone 上的“请勿打扰”(Do Not Disturb on your iPhone)可让您将消息和通话保持静音，但有时会导致 iPhone 出现通话失败错误。您应该在拨打电话时将其禁用。
- 打开设置(Settings)应用程序。
- 点击请勿打扰(Do Not Disturb)选项。
- 禁用“请勿打扰(Do Not Disturb)”旁边的切换开关。
禁用呼叫转移(Disable Call Forwarding)
呼叫转接可帮助您转接 iPhone 上的来电，Apple建议您在设备上出现 iPhone 呼叫失败错误时将其关闭。
- 启动设置(Settings)应用程序。
- 点击电话(Phone)选项。
- 选择呼叫转移(Call Forwarding)选项。
- 禁用呼叫转移(Call Forwarding)的切换。
在 iPhone 上禁用 LTE(Disable LTE On Your iPhone)
某些运营商可能并非在所有区域都提供LTE，您应该尝试将模式切换为 2G 或 3G，然后查看是否可以从 iPhone 拨打电话。
在 iPhone 上禁用LTE非常简单。(LTE)如果这不起作用，请确保重新打开它。
- 访问设置(Settings)应用程序。
- 点击移动数据(Mobile Data)。
- 点击移动数据选项(Mobile Data Options)。
设置正确的日期和时间(Set The Correct Date & Time)
不正确的日期和时间设置通常会导致许多问题，因此您需要确保在 iPhone 上配置了正确的日期设置。如果您不想手动执行此操作，您可以让手机自动查找并在您的设备上输入正确的时间和日期。
- 打开设置(Settings)应用程序。
- 点击常规(General)。
- 将“自动设置(Set Automatically)”的切换开关转到“开(ON)”位置。
更新 iPhone 上的运营商设置(Update Carrier Settings On Your iPhone)
您的运营商可能已经推出了反映他们在内部系统中所做更改的更新。在某些情况下，您需要先安装运营商更新，然后才能继续拨打电话。
- 访问设置(Settings)应用程序。
- 点击常规(General)。
重启你的 iPhone(Reboot Your iPhone)
有时，您的 iPhone 可能会遇到一个小问题，通过重新启动设备可以很容易地解决这些问题。如果您还没有这样做，您可能想这样做。
- 保存您的工作并关闭手机上所有正在运行的应用程序。
- 按住电源(Power)按钮以关闭 iPhone。
- 关闭 iPhone 后，按住电源(Power)按钮将其重新打开。
关闭后台应用程序(Close The Background Apps)
大多数应用程序通常不会干扰股票电话(Phone)应用程序的工作。但是，您永远不知道您在 i Phone上安装的应用程序会导致问题。关闭手机上的所有应用程序以查看问题是否仍然存在是值得的。
- 按Home键两次以查看打开的应用程序列表。
- 向上滑动(Swipe)应用程序，它们将被关闭。
将 SIM 卡重新插入 iPhone(Re-Insert The SIM Card Into Your iPhone)
如果SIM(SIM card)卡松动并且未紧密安装在其插槽中，则可能会导致您的设备出现与通话相关的问题。修复它应该简单快捷，因为您需要做的就是将其移除并放回原处。如果卡本身有问题，您需要让您的提供商更换它。
- 将SIM(SIM)卡托盘从 iPhone 中拉出。
- 取出 SIM 卡。
- 将其放回原位，确保其正确滑入插槽。
- 将托盘推回手机。
更新你的 iPhone(Update Your iPhone)
即使您不使用最新版本的 iOS 必须提供的新功能，您也应该始终让您的设备保持最新状态。这可确保旧版本中存在的任何错误和问题都已在您的设备上得到修复。
- 打开设置(Settings)应用程序。
- 点击常规(General)。
- 如果有可用更新，请点击下载并安装(Download and Install)以将其安装到您的手机上。
重置您的网络设置(Reset Your Network Settings)
iPhone 上的网络设置定义了所有与网络相关的任务应如何在您的设备上发生。如果出现问题，您可能会遇到手机通话失败等问题。
要修复它，您可以在 iPhone 上重置这些设置。
- 启动设置(Settings)应用程序。
- 点击常规(General)。
- 点击重置网络设置(Reset Network Settings)。
恢复出厂设置你的 iPhone(Factory Reset Your iPhone)
如果即使按照上述所有方法仍然出现 iPhone 通话失败错误，您可能需要重置设备(reset your device)并将其设置为新手机。这应该为您解决错误。
- 打开设置(Settings)应用程序。
- 点击常规(General)。
- 选择擦除所有内容和设置(Erase All Content and Settings)。
我们了解有时拨打电话的重要性，而无法拨打电话会让人们发疯。如果我们的指南帮助您解决了手机上的 iPhone 通话失败问题，请在下面的评论中告诉我们哪种方法对您有效。
How To Fix The iPhone Call Failed Error
The iPhone сall failed error appears when your device is not able to sucсessfully place a call. Thiѕ can happen due to a variety of reasons, and if you’re unsure what’s causing it, you’ll need to follow some of the generic methods to see if they help fix the issue.
It’s a serious problem as it prevents you from making any kind of calls from your iPhone. However, once you have applied some of the following methods, the issue should hopefully be gone from your phone.
Ensure You Have Credits In Your Account
Insufficient credits in your prepaid account can lead to the iPhone call failed error. You want to make sure your account has enough credits available for the call that you’re trying to place. You can recharge your account with various denominations to add credits to it.
If yours is a postpaid account, you will want to talk to your provider to fix the issue.
Ensure The Contact Is Not Blocked
It may be that the contact you’re trying to call is blocked on your iPhone. You want to make sure the person is not on your block list, and you can verify it as follows.
- Launch the Settings app on your iPhone.
- Tap on Phone.
- Select Call Blocking & Identification.
- Check the list and ensure your contact isn’t blocked.
Toggle The Airplane Mode
Sometimes turning the Airplane mode on and off fixes the call failed error on an iPhone, and it’s worth doing it. Even if it didn’t work, you won’t lose anything (except for the network connectivity for some time).
- Launch the Settings app.
- Turn the toggle for Airplane Mode to the ON position.
- Wait for about a minute.
- Turn the toggle back to the OFF position.
Enable The Caller ID Option
Some countries allow you to hide your caller ID from being shown on the recipient’s phones. The feature isn’t supported in every country and you can try disabling it and then see if you can place your call.
- Open the Settings app.
- Tap on Phone.
- Select the Show My Caller ID option.
- Enable the toggle next to Show My Caller ID.
Disable Do Not Disturb
Do Not Disturb on your iPhone allows you to keep your messages and calls on silent, but it can sometimes cause a call failed error on your iPhone. You should keep it disabled when you’re placing a call.
- Open the Settings app.
- Tap on the Do Not Disturb option.
- Disable the toggle next to Do Not Disturb.
Disable Call Forwarding
Call forwarding helps you forward the incoming calls on your iPhone and Apple suggests you keep it off when you get the iPhone call failed error on your device.
- Launch the Settings app.
- Tap on the Phone option.
- Select the Call Forwarding option.
- Disable the toggle for Call Forwarding.
Disable LTE On Your iPhone
Some carriers may not have LTE available in all the areas, and you should try switching the mode to either 2G or 3G and see if you can then make a call from your iPhone.
Disabling the LTE on an iPhone is pretty easy. If this doesn’t work, make sure to turn it back on.
- Access the Settings app.
- Tap on Mobile Data.
- Tap on Mobile Data Options.
- Select the Enable LTE option.
- Tap on the Off option to turn LTE off.
Set The Correct Date & Time
Incorrect date and time settings often lead to many issues and so you need to make sure the correct date settings are configured on your iPhone. If you don’t want to do it manually, you can have your phone automatically find and put the correct time and date on your device.
- Open the Settings app.
- Tap on General.
- Turn the toggle for Set Automatically to the ON position.
Update Carrier Settings On Your iPhone
Your carrier may have pushed out an update that reflects the changes they’ve made in their internal systems. In some cases, you need to install the carrier update before you can make any further calls.
- Access the Settings app.
- Tap on General.
- Select About on the following screen.
- If a carrier update is available, your phone will prompt you to install it.
Reboot Your iPhone
Sometimes, your iPhone can catch a minor issue that can be fixed pretty easily by rebooting your device. You may want to do it if you haven’t already done it.
- Save your work and close all the running apps on your phone.
- Press and hold down the Power button to turn your iPhone off.
- When your iPhone is turned off, press and hold down the Power button to turn it back on.
Close The Background Apps
Most apps usually don’t interfere with the workings of the stock Phone app. However, you never know an app that you’ve installed on your iPhone can cause the issue. It’s worth closing all the apps on your phone to see if the issue persists.
- Press the Home button twice to view the open apps list.
- Swipe up the apps and they’ll be closed.
Re-Insert The SIM Card Into Your iPhone
If the SIM card has loosened up and isn’t tightly fitted in its slot, it can cause call-related issues on your device. Fixing it should be easy and quick as all you need to do is remove it and put it back in. If there’s an issue with the card itself, you need to get it replaced by your provider.
- Pull the SIM card tray out of your iPhone.
- Take the SIM card out of it.
- Put it back in ensuring it properly slides into its slot.
- Push the tray back into your phone.
Update Your iPhone
Even if you don’t use the new features that the latest versions of iOS have to offer, you should always keep your device up to date. This ensures any bugs and issues that were present in the old versions are fixed on your device.
- Open the Settings app.
- Tap on General.
- If an update is available, tap on Download and Install to install it on your phone.
Reset Your Network Settings
The network settings on your iPhone define how all the network-related tasks should happen on your device. If there’s an issue with it, you can face issues such as call failure on your phone.
To fix it, you can reset these settings on your iPhone.
- Launch the Settings app.
- Tap on General.
- Scroll down and select Reset.
- Tap on Reset Network Settings.
Factory Reset Your iPhone
If the iPhone call failed error still comes up even after following all of the above methods, you might want to reset your device and set it up as a new phone. This should fix the error for you.
- Open the Settings app.
- Tap on General.
- Select Erase All Content and Settings.
We understand how important it is sometimes to make a call and not being able to do it drives people crazy. If our guide helped you fix the iPhone call failed issue on your phone, please let us know what method worked for you in the comments below.
